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https://issues.apache.org/jira/browse/KAFKA-12271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin McCabe resolved KAFKA-12271.
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Fix Version/s: 3.0.0
Resolution: Fixed
> Expose consistent Raft metadata to components
> ---------------------------------------------
>
> Key: KAFKA-12271
> URL: https://issues.apache.org/jira/browse/KAFKA-12271
> Project: Kafka
> Issue Type: Improvement
> Reporter: David Arthur
> Assignee: Colin McCabe
> Priority: Minor
> Labels: kip-500
> Fix For: 3.0.0
>
>
> In Raft clusters, we need a way of exposing consistent metadata to components
> such as ReplicaManager, LogManager, etc.
> This is done through a new class named MetadataImage. As Raft metadata
> records are processed, new MetadataImage-s are built and provided to the
> MetadataCache atomically. This avoids readers seeing any partially
> materialized metadata.
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